html {
        margin: 1in;
}

body {
        font-family: Garamond, Georgia, Times, Time New Roman;
        text-align: justify;
        font-size: 1em;
        margin: 1em auto;
        padding: 0 3em;
        min-width: 400px;
}

h1,h2,h3 {
        text-align:left;
}

h1 {
        font-size: 18pt;
}

h2 {
        margin-top: 2em;
        font-size: 14pt;
        margin-left: -1em;
}

h3 {
        font-size: 12pt;
}

h4 {
        text-align: center;
        font-size: 14pt;
        font-weight: normal;
}

li {
        margin-bottom: .5em;
}

#header h1, #header h2, #header h3 {
        text-align: center;
}

#header {
        margin-bottom: .5in;
}

.diagram {
        width: 800px;
        height: 600px;
        display: block;
        margin: 1em auto;
 }